<template>
    <div id="container">
    <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm" id="form">
        <el-form-item label="原始密码" prop="oldpass">
            <el-input type="password" v-model="ruleForm.oldpass" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="新密码" prop="pass">
            <el-input type="password" v-model="ruleForm.pass" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="确认密码" prop="checkPass">
            <el-input type="password" v-model="ruleForm.checkPass" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item>
            <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
            <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
    </el-form>
    </div>
</template>

<script>
    export default {
        name: "changePwd",
        data() {
var validateOldPass= (rule, value, callback) => {
    if (value === '') {
        callback(new Error('请输入密码'));
    } else {
        if (this.ruleForm.checkPass !== '') {
            this.$refs.ruleForm.validateField('checkPass');
        }
        callback();
    }
};
            var validatePass = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('请输入密码'));
                } else {
                    if (this.ruleForm.checkPass !== '') {
                        this.$refs.ruleForm.validateField('checkPass');
                    }
                    callback();
                }
            };
            var validatePass2 = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('请再次输入密码'));
                } else if (value !== this.ruleForm.pass) {
                    callback(new Error('两次输入密码不一致!'));
                } else {
                    callback();
                }
            };
            return {
                ruleForm: {
                    oldpass:'',
                    pass: '',
                    checkPass: '',

                },
                rules: {
                    pass: [
                        { validator: validatePass, trigger: 'blur' }
                    ],
                    checkPass: [
                        { validator: validatePass2, trigger: 'blur' }
                    ],
                    oldpass:[
                        { validator: validateOldPass, trigger: 'blur' }
                    ]

                }
            };
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {

                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            }
        }

    }
</script>

<style scoped>
#container{
    display: flex;
    align-items: center;
    margin: 0 auto;
    height: 80%;
    width: 80%;
    border: 1px solid  aqua;
}
    #form{
        margin-left: 250px;
        align-items: center;
    }
</style>